arch/arm/src/sama5/sam_pgalloc.h

/****************************************************************************
 * arch/arm/src/sama5/sam_pgalloc.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __ARCH_ARM_SRC_SAMA5_SAM_PGALLOC_H
#define __ARCH_ARM_SRC_SAMA5_SAM_PGALLOC_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <stdint.h>

#include "pgalloc.h"

#ifdef CONFIG_MM_PGALLOC

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/****************************************************************************
 * Public Data
 ****************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

/****************************************************************************
 * Name: sam_physpgaddr
 *
 * Description:
 *   Check if the virtual address lies in the user data area and, if so
 *   get the mapping to the physical address in the page pool.
 *
 ****************************************************************************/

#define sam_physpgaddr(vaddr) arm_physpgaddr(vaddr)

/****************************************************************************
 * Name: sam_virtpgaddr
 *
 * Description:
 *   Check if the physical address lies in the page pool and, if so
 *   get the mapping to the virtual address in the user data area.
 *
 ****************************************************************************/

#ifdef CONFIG_ARCH_PGPOOL_MAPPING
#  define sam_virtpgaddr(vaddr) arm_virtpgaddr(vaddr)
#else
uintptr_t sam_virtpgaddr(uintptr_t paddr);
#endif

#undef EXTERN
#ifdef __cplusplus
}
#endif

#endif /* CONFIG_MM_PGALLOC */
#endif /* __ARCH_ARM_SRC_SAMA5_SAM_PGALLOC_H */